public class Bycicle {

	int cadence = 0;
	
	int speed = 0;
	
	int gear = 1;

	void changeCadence(int newValue) {
		cadence = newValue;
	}

	void changeGear(int newValue) {
		gear = newValue;
	}

	void speedUp(int increment) {
		speed = speed + increment;
	}

	void applyBrakes(int decrement) {
		speed = speed - decrement;
	}
}
